Features ALUMINUM & STAINLESS STEEL Our heat gun nozzles are made of aluminum alloy and stainless steel for durability, toughness and rosiness as well as longer life. Suitable Application This heat gun nozzle set is suitable for the hot air welding station 850 and can meet your different requirements. Locking Screw The nozzle of the heat gun consists of a locking screw, which can lock the nozzle tightly and effectively prevent hot air from escaping from the gap between the nozzle and the steel pipe of the heat gun. MULTIPLE SIZES This heat gun nozzle set is suitable for 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm, 12mm and 10x10mm, 12x12mm square and 10x10mm square and 10x10mm, 14x14mm double layer. Easy to Clean Our heat gun nozzles are easy to clean and work well, practical, lightweight and excellent workmanship, very portable. Specification: Item Type:Heat Gun Nozzle Material: aluminium alloy, stainless steel. Basic parameters: approx. 3 mm/0.12 inches, 4 mm/0.16 inches, 5 mm/0.2 inches, 6 mm/0.24 inches, 7 mm/0.28 inches, 8 mm/0.31 inches, 10 mm/0.39 inches, 12 mm/0.47 inches. Square: approx. 10 x 10 mm / 0.39 x 0.39 inches, 12 x 12 mm / 0.47 x 0.47 inches. Double layer square: approx. 10 x 10 mm / 0.39 x 0.39 inches, 14 x 14 mm / 0.55 x 0.55 inches. Application: suitable for 850 hot air welding station Package list: 12 x heat gun nozzles. Package List 12 x Hot Air Gun Nozzle